/Engine/Plugins/Runtime/OpenCV/Source/OpenCVHelper/Public/OpenCVHelper.h
These axes must match the order in which they are declared in EAxis.
static const [TArray](API\Runtime\Core\Containers\TArray)< FVector > UnitVectors = { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1 }, { -1, 0, 0 }, { 0, -1, 0 }, { 0, 0, -1 }, };